// META: title=EventTarget.addEventListener | |
// Step 1. | |
test(function() { | |
const et = new EventTarget(); | |
assert_equals(et.addEventListener("x", null, false), undefined); | |
assert_equals(et.addEventListener("x", null, true), undefined); | |
assert_equals(et.addEventListener("x", null), undefined); | |
}, "Adding a null event listener should succeed"); |